Tantalum Materials

Tantalum Bar and Rod High Purity 99.95% Round Polished Bright Tantalum Bar and Rod

Tantalum Bar and Rod High Purity 99.95% Round Polished Bright Tantalum Bar and Rod
Product Details

High Purity 99.95% Round Polished Bright Tantalum Bar and Rod

1. Tantalum rods Tantalum- tungsten alloy rods 

Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W) 

Available size: Dia3-120mm 

Standard: As per ASTM B 365-98 

2.Chemical composition of Tantalum Bar

Chemistry % 

Designation 

Chief component 

Impurities maxmium 

Ta 

Nb 

Fe 

Si 

Ni 

W 

Mo 

Ti 

Nb 

O 

C 

H 

N 

Ta1 

Remainder 


0.004 

0.003 

0.002 

0.004 

0.006 

0.002 

0.03 

0.015 

0.004 

0.0015 

0.002 

Ta2 

Remainder 


0.01 

0.01 

0.005 

0.02 

0.02 

0.005 

0.08 

0.02 

0.01 

0.0015 

0.01 


3.Permissible variations in diameter for bars 


Diameter, inch (mm) 

Tolerance <, +/-inch (mm) 

0.010~0.020 excl (0.254~0.508) 

< 0.0005 (0.013) 

0.020~0.030 excl (0.508~0.762) 

< 0.00075 (0.019) 

0.030~0.060 excl (0.762~1.524) 

< 0.001 (0.025) 

0.060~0.090 excl (1.524~2.286) 

< 0.0015 ( 0.038) 

0.090~0.125 excl (2.286~3.175) 

< 0.002 (0.051) 

0.125~0.187 excl (3.175~4.750) 

< 0.003 (0.076) 

0.187~0.375 excl (4.750~9.525) 

< 0.004 (0.102) 

0.375~0.500 excl (9.525~12.70) 

< 0.005 (0.127) 

0.500~0.625 excl (12.70~15.88) 

< 0.007 (0.178) 

0.625~0.750 excl (15.88~19.05) 

< 0.008 (0.203) 

0.750~1.000 excl (19.05~25.40) 

< 0.010 (0.254) 



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